Electric heating – Heating devices – With heating unit structure
Reexamination Certificate
2006-11-07
2006-11-07
Evans, Robin O. (Department: 3742)
Electric heating
Heating devices
With heating unit structure
C219S529000, C219S544000, C428S480000, C264S103000
Reexamination Certificate
active
07132630
ABSTRACT:
The use of conductive polyaniline fibers for resistive heating applications is described. Unlike metal wires and conductive-polymer coated fibers, under certain conditions, electric voltages or currents used to generate heat in the fibers were found to produce irreversible changes to the polymer backbone that destroy its electrical conductivity but not its structural integrity. The temperature that these changes occur varies with dopant and fiber diameter, and can be tailored to specific applications. Since these changes occur at lower temperatures than the temperature at which dopant molecules within the conductive polymer are lost or decomposed, both of which lower the conductivity of the material, polyaniline fibers can be used for resistive heating applications where the heating element is in the vicinity of the skin of the wearer thereof.
REFERENCES:
patent: 4792662 (1988-12-01), Kitagaki et al.
patent: 5171478 (1992-12-01), Han
patent: 5176851 (1993-01-01), Barry, Jr.
patent: 5188766 (1993-02-01), Eiffler
patent: 5422462 (1995-06-01), Kishimoto
patent: 5629665 (1997-05-01), Kaufmann et al.
patent: 5656709 (1997-08-01), Fukushima et al.
patent: 5882566 (1999-03-01), Hsu et al.
patent: 6033939 (2000-03-01), Agarwala et al.
patent: 6074576 (2000-06-01), Zhao et al.
patent: 6541744 (2003-04-01), Von Arx et al.
patent: 6548789 (2003-04-01), Rock et al.
patent: 2003/0091845 (2003-05-01), Pron et al.
patent: 2004/0045955 (2004-03-01), Rock et al.
patent: 2004/0119187 (2004-06-01), Mattes et al.
patent: 2004/0162397 (2004-08-01), Lee et al.
patent: WO 99/24991 (1999-05-01), None
patent: WO 9924991 (1999-05-01), None
PCT Search Report dated Sep. 2, 2004.
Mattes Benjamin R.
Qi Baohua
Cochran Freund & Young LLC
Evans Robin O.
Fastovsky Leonid
Freund Samuel M.
Sante Fe Science and Technology, LLC
LandOfFree
Resistive heating using polyaniline fiber does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Resistive heating using polyaniline fiber, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Resistive heating using polyaniline fiber will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3671235